154430920 has 32 divisors (see below), whose sum is σ = 397108800. Its totient is φ = 52947648.

The previous prime is 154430911. The next prime is 154430929. The reversal of 154430920 is 29034451.

154430920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154430911) and next prime (154430929).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (154430929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275490 + ... + 276049.

It is an arithmetic number, because the mean of its divisors is an integer number (12409650).

Almost surely, 2^154430920 is an apocalyptic number.

154430920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154430920 is an abundant number, since it is smaller than the sum of its proper divisors (242677880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154430920 is a wasteful number, since it uses less digits than its factorization.

154430920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551557 (or 551553 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 154430920 is about 12427.0237788458. The cubic root of 154430920 is about 536.5103274313.

The spelling of 154430920 in words is "one hundred fifty-four million, four hundred thirty thousand, nine hundred twenty".